Geographical Distribution and Aspects of the Ecology of the ...

Striga is estimated to extend to 40% of arable land in sub-Saharan Africa and to 67% of savanna zones under cereal production (Lagoke et al. 1991, Mboob 1989). S. asiatica is known to occur widely in savanna grasslands but at much lower densities than observed in agricultural systems (Raynal-Roques 1987). A ................
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